she just graduated from princeton, moved to paris, and was falling in love with her new city and a new boyfriend. and her life was turned upside down. we'll speak with her in a moment, but first, here's her story. >> i was diagnosed in 2011 when i was 22. i remember as he said the words, i remember reading them on the paper and just feeling my heart sink down to my stomach. >> it just felt like something stopped inside of me. >> i lived in paris. i had an apartment there, a job there. my boyfriend was there. and suddenly i was in new york with a cancer diagnosis not knowing if i was going to survive the next few weeks. i got my first treatments with an incredible team of doctors. unfortunately, the second part of the biopsy results showed that i would need a bone marrow transplant. >> when i found out that i could donate my bone marrow, i felt like i could actually do something to help her. and hopefully save her. >> i feel very connected to him in this very intense way. >> we were incredibly elated about hearing the good news that adam was a match, not only a match, but a perfect matc